From a review of the tradingview.com website, I identified the 19 South African Companies with stock market caps recently above 100 billion in South African Rand (ZAR).
Also from a review of the wallstreetjournalmarkets.com website, the table below shows the Consolidated Net Income (Loss) from Continuing Operations for fiscal years 2021, 2020 and 2019 for each of these 19 largest South African Companies.